- Added a new endpoint for simulating rules based on sample messages, allowing users to test rule conditions and actions.
- Enhanced webhook management with versioning, preview capabilities, and improved validation for webhook requests.
- Updated service interfaces to support new functionalities, including max retries for webhooks and signing secrets.
- Implemented observability metrics for webhook retries and dead-letter tracking, improving error handling and monitoring.
- Enhanced unit tests to cover new simulation and webhook features, ensuring robust functionality and validation.
- Introduced health checks for Nextcloud, Immich, and Jitsi in the .env.example file.
- Implemented Prometheus metrics for HTTP requests, IMAP sync, outbox processing, and webhook executions.
- Added Grafana configuration files for dashboards and data sources.
- Updated Docker Compose to include Prometheus and Grafana services.
- Enhanced logging middleware to include request IDs and metrics tracking.
- Created health checker for monitoring database and external service statuses.
- Updated README with observability setup instructions and service URLs.
